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Sunday, December 4, 2011

The Week of December 5, 2011

Did you go to the Christmas parade on Broughton Street this weekend? I did, and it really got me in the holiday spirit! I hope that you take some time over the next few weeks to make these days special for you.

I have a fun week planned for you at Ellis this week. In math, we will be making a holiday gift list and calculating sales prices and tax. After you make your list, I will "check it twice". Expect some homework associated with it, and a quiz on Thursday. Here are some Howcast videos to show you how it's done:

In science, we will finish up our work concerning undersea topography. Your four choices from "Go Fish" will be due Friday. In addition, you will have a test on all we've talked about on Friday. Here is a copy of the study guide (and the diagram) that I will also give you Monday:

I.How do scientist study the ocean floor?

The ocean floor can be as much at 11,000 meters below the surface!

b‭.‬ROV’s (Remotely Operated Vehicles)

c‭.‬SONAR (Sound Nagivation And Ranging)

d‭.‬Satellites (Geosat- once a top secret military satellite)

II.What are the two major regions of the ocean?

a‭.‬Continental Margin- the edge of a continent that is covered by water.

b‭.‬Deep-ocean Basin- begins at the edge of the continental margin and extends under the deepest parts of the ocean.

III.The Continental Shelf

a‭.‬What is it? Starts at the shoreline and slopes gently toward open ocean (200 m)

b‭.‬Where is it located? The Continental Margin

IV.The Continental Slope

a‭.‬What is it? The steepest part of the continental margin. (200 m – 4,000 m)

b‭.‬Where is it located? Begins at the edge of the continental shelf and continues to continental rise

V.The Continental Rise

a‭.‬What is it? The boundary between the continental margin and the deep-ocean basin.

b‭.‬Where is it located? The base of the continental slope

VI.The Abyssal Plain

a‭.‬What is it? Flat, almost level part of the ocean basin

b‭.‬Where is it located? Between continental margins in deep ocean

VII.The Mid-Ocean Ridge

a‭.‬What is it? A long mountain chain that forms from moving tectonic plates

b‭.‬Where is it located? Floor of the abyssal plain

VIII.Rift Valley

a‭.‬What is it? A crack in the ocean floor where magma rises and cools

b‭.‬Where is it located? In the mid-ocean ridge

IX.Ocean Trench

a‭.‬What is it? Long, narrow valleys that can be up to 11,000 m deep

b‭.‬Where is it located? Where tectonic plates are moving together (subduction)

Click on the diagram for a full-size picture.

This Friday will be a dress down day for $1.00. All the proceeds will go towards Relay For Life. See you Monday morning!